Home / 7,802.08-11,702.94-3,903.64

Finding the Fourth Proportional to 7,802.08, 11,702.94 and 3,903.64

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Solution

The fourth proportional to 7,802.08, 11,702.94 and 3,903.64 is: 5,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.08 : 11,702.94 = 3,903.64 : x
  2. Step 2: Convert to fraction form
    7,802.08/11,702.94 = 3,903.64/x
  3. Step 3: Cross multiply
    7,802.08x = 11,702.94 × 3,903.64
  4. Step 4: Simplify right side
    7,802.08x = 45,684,064.70
  5. Step 5: Solve for x
    x = 45,684,064.70/7,802.08
  6. Step 6: Final answer
    x = 5,855.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.